Abstract
This work reports a novel method for the visualization of slider-disk or slider-particle-disk interactions. The method is based on a special testing disk which is same as the conventional magnetic disk media except using a layer of magneto-optical (MO) material to replace the magnetic layer of the magnetic disk media. The magnetization in the MO layer will be switched by a small external field applied if the temperature generated by the interactions is higher than the Curie temperature of the MO material. The proposed method and corresponding setup were used successfully in the experimental study of slider-disk and slider-particle-disk interactions.
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